Answer:
$833,000
Explanation:
Particulars                                     Amount
Investment account balance January 1, 2021 Â Â Â Â Â Â Â Â $800,000
Add: 30% of Alex Services Inc $150,000 net income  $45,000
Less: 30% of $40,000 dividends paid               $12,000 Â
Investment account balance December 31, 2021 Â Â Â $833,000